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C18600 Copper vs. C46400 Brass

Both C18600 copper and C46400 brass are copper alloys. They have 61% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C18600 copper and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 8.0 to 11
17 to 40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Shear Strength, MPa 310 to 340
270 to 310
Tensile Strength: Ultimate (UTS), MPa 520 to 580
400 to 500
Tensile Strength: Yield (Proof), MPa 500 to 520
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1070
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 280
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70
26
Electrical Conductivity: Equal Weight (Specific), % IACS 71
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 58
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1060 to 1180
120 to 500
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 16 to 18
14 to 17
Strength to Weight: Bending, points 16 to 17
15 to 17
Thermal Diffusivity, mm2/s 81
38
Thermal Shock Resistance, points 19 to 20
13 to 16

Alloy Composition

Chromium (Cr), % 0.1 to 1.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 96.5 to 99.55
59 to 62
Iron (Fe), % 0.25 to 0.8
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.25
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0.050 to 0.5
0
Zinc (Zn), % 0
36.3 to 40.5
Zirconium (Zr), % 0.050 to 0.4
0
Residuals, % 0
0 to 0.4